448442279 has 2 divisors, whose sum is σ = 448442280. Its totient is φ = 448442278.

The previous prime is 448442263. The next prime is 448442287. The reversal of 448442279 is 972244844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448442279 - 2⁴ = 448442263 is a prime.

It is a super-2 number, since 2×448442279² = 402200955189427682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448442219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224221139 + 224221140.

It is an arithmetic number, because the mean of its divisors is an integer number (224221140).

Almost surely, 2^448442279 is an apocalyptic number.

448442279 is a deficient number, since it is larger than the sum of its proper divisors (1).

448442279 is an equidigital number, since it uses as much as digits as its factorization.

448442279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 44.

The square root of 448442279 is about 21176.4557705014. The cubic root of 448442279 is about 765.4241906769.

The spelling of 448442279 in words is "four hundred forty-eight million, four hundred forty-two thousand, two hundred seventy-nine".